Home / 4,263.12-6,390.36-2,070

Finding the Fourth Proportional to 4,263.12, 6,390.36 and 2,070

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Solution

The fourth proportional to 4,263.12, 6,390.36 and 2,070 is: 3,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.12 : 6,390.36 = 2,070 : x
  2. Step 2: Convert to fraction form
    4,263.12/6,390.36 = 2,070/x
  3. Step 3: Cross multiply
    4,263.12x = 6,390.36 × 2,070
  4. Step 4: Simplify right side
    4,263.12x = 13,228,045.20
  5. Step 5: Solve for x
    x = 13,228,045.20/4,263.12
  6. Step 6: Final answer
    x = 3,102.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.